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Finding the Fourth Proportional to 505.11, 696.74 and 337.03

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Solution

The fourth proportional to 505.11, 696.74 and 337.03 is: 464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    505.11 : 696.74 = 337.03 : x
  2. Step 2: Convert to fraction form
    505.11/696.74 = 337.03/x
  3. Step 3: Cross multiply
    505.11x = 696.74 × 337.03
  4. Step 4: Simplify right side
    505.11x = 234,822.28
  5. Step 5: Solve for x
    x = 234,822.28/505.11
  6. Step 6: Final answer
    x = 464.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.